OpenTechnical

OT-2026-000076600

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000076600) never changes.

Identity and time

Publication numberOT-2026-000076600 · never reused
Internal UUID01a0ae94-b06e-7cc6-86ce-0cd854bc62dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076600
StatusPUBLIC

Content hashes

Canonical text8d840704a15c93c67f5354a3e3fb17779634c79e24537fe215c8ab4a2115891a
Markdown86e861b90766a9649a184700ada20abe0e11f947b5695a3afa6fd0ece875a2ea
PDF
Publication page925a8e9a8445eea296689ff9a2d5c04d88d18d727e1c2f6ae18ff332420f24ed
Manifestc1b40ebc5f572198ca6a379f541ef65e741d6059007a1d550df5135c75854cab

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturej8M4HCDKenevTf0ob/j8qBrcUZN4co2jtFZ7Z1VDv7PgjH/r1mWuODAPnxZ2oZkBa5Rqh/IKEMStrTXD5LlWBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:19.425133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076600
observed 925a8e9a8445eea296689ff9a2d5c04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.408160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076600/manifest.json
observed c1b40ebc5f572198ca6a379f541ef65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.389938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076600/publication.md
observed 86e861b90766a9649a184700ada20abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.372656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076600/publication.txt
observed 8d840704a15c93c67f5354a3e3fb1777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.